In the case of substances with reduced concentrations in biological materials, liquid or gas chromatography with tandem mass spectrometry tactics have the required sensitivity. During the reviewed circumstance, a liquid chromatograph using a triple quadrupole mass spectrometer working in numerous response monitoring (MRM) method was used for NPS screening. Such https://5f-mdmb-220146789.slypage.com/31136226/the-best-side-of-5f-mdmb-2201